The Advantage of Alcohol In order to prove the harmful effect of alcohol,the teacher put a bug into a glass filled with alcohol,soon the bug died. The teacher asked a student,"what does this show?" The student answered,"It shows that people won't get parasites if they drink more alcohol." 酒的好处 为了证明酒精对生物的危害，老师把一只虫子放入装有酒精的杯子里，虫子很快就死了。老师问一个学生：“这说明了什么?” 学生答道：“说明人多喝酒，就不会长虫子。” 3.Exchange the Tortoise for the Wolf Teacher:Some students are becoming arrogant.Do you remember the story about race between the hare and the tortoise?Now,Xiaoming,will you please tell us why the hare was defeated by the tortoise? Xiaoming:Because the hare fell asleep. Teacher:Absolutely right!What should we do so that the hare won't fall asleep? Xiaoming:Exchange the tortoise for the wolf.